Which of the following was one of the largest cities in Mesoamerica?

The correct answer is Copan. In the context of Mesoamerican civilization, Copan was one of the prominent city-states of the Maya civilization, located in what is now western Honduras. It is known for its impressive architecture, hieroglyphic inscriptions, and significant cultural achievements. At its height, Copan was a major center for political, economic, and religious activity, featuring grand temples and an elaborate network of plazas and monuments.

Copan is particularly noted for its archaeological significance, where numerous stelae and altars have been discovered that provide insight into the social and political structure of the Maya civilization. It represents a pinnacle of Classic Maya architecture and is often recognized for its intricately carved monuments, which showcase their artistic proficiency.

In contrast to the other options, while Uxmal, the Palace of the Governor, and Dzibilchaltun are all significant sites within the Maya region, they do not hold the same status as Copan in terms of being one of the largest urban centers during the height of Mesoamerican civilizations. Uxmal is a notable city but is smaller than Copan in terms of its historical prominence as a cultural and political center. The Palace of the Governor is a structure within Uxmal known